Business activities not listed in this calculator may classify as Industrial Trade Waste and be required to meet sewer discharge limits as prescribed in the Water and Sewer Industry (General) Regulations 2009 Schedule 3.
If your business activity does not clearly fit the listed definitions or classifies as one of the following then please send TasWater an email at firstname.lastname@example.org to discuss discharge requirements with a Trade Waste representative.
Select the relevant financial year you wish to see trade waste charges for. The target charge for each category is increased by 2.5% per year and will change depending on the financial year chosen.
Input the actual or expected annual water consumption for your business.
We use the annual water consumption to estimate volume of trade waste discharged to sewer by a business. This can be an actual volume taken from your water meter readings (if available) or an estimate based on your anticipated water consumption.
Contact a Trade Waste representative at email@example.com if you are establishing a new business and unsure of your likely water use.
Your trade waste category has been determined by the risk score calculated based on the information you entered in the Business Information section.
The target trade waste charge is determined by your trade waste category.
This Trade Waste Code is from a set list of codes used to group similar busienss activities together.
The total risk score is automatically calculated based on on the information you entered in the Business Information section. The risk score determines the trade waste category your business most likely falls into.
Commercial trade waste customers are given a score for the business activity they conduct on the property on the basis that businesses conducting the same activity will produce a similar waste discharge. The business activity table shows the trade waste code and relevant risk score for each activity.
This is the standard score applied to the business activity you selected.
This is the substance produced by the business activity you selected that is considered to be of most concern to the operation of our sewerage infrastructure.
This is the standard score applied to the substance associated with the business activity you selected.
The type and complexity of a pre-treatment device required is determined by the business activity selected and the substance of most concern within the trade waste discharge.
This is the standard score applied to the typical pre-treatment device required to treat the waste from the business activity you selected.
The following formula is applied to the annual water consumption entered to determine the trade waste volume. Trade Waste Volume = Annual water consumption x BV x DF. Additional information on the calculation of the trade waste volume can be found in our trade waste category guideline.
The is the standard score applied based on the annual water consumption you entered.
The trade waste discharge factor is the percentage of the annual volume that is considered to be trade waste discharged to the sewer. The trade waste discharge factor is applied to the base volume to represent the typical volume of trade waste expected to be discharged dependent on the business activity selected.